feat: add knowledge API docs

public/api/processes/P2.1.json

@@ -0,0 +1,9 @@
+{
+  "id": "P2.1",
+  "name": "规划范围管理",
+  "knowledgeAreaId": "KA02",
+  "knowledgeAreaName": "项目范围管理",
+  "processGroupId": "PG02",
+  "processGroupName": "规划过程组",
+  "purpose": "在整个项目期间对如何管理范围提供指南和方向。本过程仅开展一次或仅在项目的预定义点开展。"
+}